Home / 12,425,138.25-18,638,982.65-4,755,234.92

Finding the Fourth Proportional to 12,425,138.25, 18,638,982.65 and 4,755,234.92

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Solution

The fourth proportional to 12,425,138.25, 18,638,982.65 and 4,755,234.92 is: 7,133,340.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,425,138.25 : 18,638,982.65 = 4,755,234.92 : x
  2. Step 2: Convert to fraction form
    12,425,138.25/18,638,982.65 = 4,755,234.92/x
  3. Step 3: Cross multiply
    12,425,138.25x = 18,638,982.65 × 4,755,234.92
  4. Step 4: Simplify right side
    12,425,138.25x = 88,632,741,053,583.05
  5. Step 5: Solve for x
    x = 88,632,741,053,583.05/12,425,138.25
  6. Step 6: Final answer
    x = 7,133,340.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.